hecs

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This a draft for making the serialization of a world deterministic by adding the necessary information to the serialization. It works by saving the free list and all the generations...

ZagButNoZig

Implement queries that add/remove components

5

Fixes #334. TODO: - [ ] Work out why this machinery is 10x slower in the `iterate_mut_100k` benchmark than `query_mut` in master. Nothing's jumping out at me in the disassembly;...

Ralith

Entity Relationships

7

I really like working with hecs, I just feel like there is one big feature missing: entity relationships. Especially after using [flecs](https://github.com/SanderMertens/flecs) for a while, I am now really starting...

Olle-Lukowski

Determinism through serialization cycle

10

I'm trying to make a replay system based on determinism. Actions on the world are saved in a replay and are applied on a `hecs::World`. `Entity` objects are stored separately...

Uriopass

hecs::Query should handle type parameters

2

Basically I'd love this to work: ``` #[derive(hecs::Query)] pub struct DrawSpriteQuery

sanbox-irl

Fake World::modify impl

2

Proof-of-concept for #19. Currently blocked by an ICE in the doctest: ``` error: internal compiler error: src/librustc/traits/codegen/mod.rs:55: Encountered error `OutputTypeParameterMismatch(Binder(>::Item }))` selecting `Binder()` during codegen ```

Ralith

https://docs.rs/hecs/latest/hecs/struct.CommandBuffer.html#method.remove > Remove components from entity if they exist Mislead me into thinking "Oh, I can just specify a whole bunch of components and it will remove them if they...

jestarray

Less than ideal codegen for iteration

2

The way query iteration is currently implemented leads to inefficient code. On my machine, `iterate_mut_100k` runs in around 29us. However, running the same iteration through explicit archetypes leads to much...

dragostis

RFC: Entity ID, a component like you and me

9

Currently, entity ID are stored separately from other components and are yielded by queries unconditionally. An alternative design point would be to store entity ID like other components, i.e. add...

adamreichold

Add `#[cold]` to `QueryIter::next_archetype`

3

Push further on the path opened by #336 by adding `#[cold]` to `QueryIter::next_archetype` Results on my machine: Before ``` test iterate_100k ... bench: 43,868 ns/iter (+/- 511) test iterate_cached_100_by_50 ......

a1phyr